The main tank, brimful with ideas. Enjoy them, discuss them, take them. - Of course, this is also the #1 place for new submissions!
By nisha
A meter or device that could detect the smell of the restroom after someone... does their business. If the smell is strong and pungent it will warn people not to come inside and it would tell people when it is okay to come in.

Reward: I'd like to see it done.
User avatar
By Michael D. Grissom
That reminded me of my favorite Gary Larson cartoon:
Water Bed Chairs And Couches Etc.

I used to have a kidney shaped water couch and it […]

Bath body hair removal

I think a whirlpool with the chemical in it would […]

Is there anymore need for physical cards? I suppos[…]

A Place for problems and solutions

This is a really good proposal. One title could be[…]